Cheapest return flights from Seoul to Singapore in September from $622

AirHint found the following cheapest return flights from Seoul (GMP) to Singapore (SIN) in September 2026 (see full year).

Return flights

04 Sep - 07 Sep EVA Air
28 Sep - 04 Oct Air China
28 Sep - 05 Oct Air China
29 Sep - 05 Oct Air China
24 Sep - 27 Sep Air China
25 Sep - 30 Sep Japan Airlines
19 Sep - 03 Oct Japan Airlines
30 Sep - 07 Oct Japan Airlines

Also check the deals for one-way flights from Seoul to Singapore in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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